987297987 (number)

987297987 is an odd 9-digits composite number following 987297986 and preceding 987297988. In scientific notation, it is written as 9.87297987 × 10^8. The sum of its digits is 66. It has a total of 3 prime factors and 8 positive divisors. There are 607567968 positive integers (up to 987297987) that are relatively prime to 987297987.

Interesting facts

Basic properties

Name

Name nine hundred eighty-seven million two hundred ninety-seven thousand nine hundred eighty-seven

Notation

Scientific notation 9.87297987 × 10^8
Engineering notation 9.87297987 × 10^6

Prime Factorization of 987297987

Prime Factorization 3 × 13 × 25315333

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 987297987
Product of the distinct prime numbers

The prime factorization of 987297987 is 3 × 13 × 25315333. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 987297987)

Multiplication

n×y
n×2 1974595974
n×3 2961893961
n×4 3949191948
n×5 4936489935

Division

n÷y
n÷2 493648993.5
n÷3 329099329
n÷3 246824496.75
n÷5 197459597.4

Exponentiation

ny
n2 974757315134252169
n3 9.6237593504557E+26
n4 9.5015182340774E+35
n5 9.3808298259484E+44

Nth Root

y√n
2√n 31421.298302266
3√n 995.74794128913
4√n 177.26053791599
5√n 62.934625222792

Divisors of 987297987

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -987297986
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 987297987 can be divided by 8 positive divisors. The sum of these divisors (counting 987297987) is 1, the average is 0.125.

Base conversion 987297987

Base System Value
2 Binary 111010110110001111100011000011
3 Ternary 2112210202221020010
4 Quaternary 322312033203003
5 Quinary 4010222013422
6 Senary 241545120003
8 Octal 7266174303
10 Decimal 987297987
12 Duodecimal 236789003
16 Hexadecimal 3ad8f8c3
20 Vigesimal f8ac4j7
36 Base36 gbt803

Cryptographic Hash Functions

md5 d4c12cd05a3d28aeaf4e666b245ff746
sha1 db22dfb4eb6f8f7a8d22090d1e933a2abf50ab23
sha256 bb863eb6ac3edb737e8dcb5aad9c05b3dc1dd01b4ff87cefafc1da8096c433ce
sha512 5388237819033c837c5510800f1328b7ee315ec580ad6e12d891147432eabf3e55da4946d1842acc4ca7fcd2b9a4efc911393ba7cb0bceaf8b4ddd8ea67f3899
ripemd-160 6c15258066d90b18a2c124cc139279ea0d029754

987297987 as geometric shapes

Circle

Radius = n
Diameter 1974595974
Circumference 6203376205.7264
Area 3.0622904202587E+18

Sphere

Radius = n
Volume 4.031190890041E+27
Surface area 1.2249161681035E+19
Circumference 6203376205.7264

Square

Length = n
Perimeter 3949191948
Area 974757315134252169
Diagonal 1396250203.3191

Cube

Length = n
Surface area 5848543890805513014
Volume 9.6237593504557E+26
Space diagonal 1710050275.6945

Equilateral Triangle

Length = n
Perimeter 2961893961
Area 4.2208229871549E+17
Altitude 855025137.84724

Triangular Pyramid

Length = n
Surface area 4.2208229871549E+17
Volume 1.1341709162024E+26
Height 465416734.43969